#include <stdio.h>
#define MONTHS 12
int main(void)
{
    int days[MONTHS] = { 31, 28, [4] = 31, 30, 31 };
    int i;

    for (i = 0; i < MONTHS; i++)
    {
        printf("%2d %d\n", i + 1, days[i]);
    }

    return 0;
}